D defs.my
Entry 1 sense Webster, 1913

Columbiad

· Co·lum·bi·ad · IPA
01 n. A form of seacoast cannon; a long, chambered gun designed for throwing shot or shells with heavy charges of powder, at high angles of elevation.
  1. 1.
    A form of seacoast cannon; a long, chambered gun designed for throwing shot or shells with heavy charges of powder, at high angles of elevation.(Mil.)